An official portrait of the Prince of Wales and the Duchess of Cornwall has been unveiled, ahead of Camilla's 70th birthday on Monday.
The Peruvian photographer said that when he first met Camilla, more than a decade ago, he "discovered a kind and attractive person with a wonderful sense of humour". "Doing this latest assignment to celebrate Her Royal Highness's 70th birthday is a true honor".
The picture came as the Duchess of Cornwall vowed to tackle the scourge of loneliness in old age - by becoming patron of Dame Esther Rantzen's charity The Silver Line.
In the soft-focus photograph, Camilla looks relaxed and happy, with her soft blonde hair do and natural make-up reflecting her low-key approach to style.
Speaking about snapping Camilla for her 70 birthday, Testino said: "I'm honoured to document Their Royal Highnesses The Prince of Wales and The Duchess of Cornwall on this very important date".
A spokesman for the couple said: 'The Duchess was photographed with The Prince at home at Clarence House by world renowned photographer Mario Testino who has photographed them both several times before.
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Her stepsons - Prince Harry and Prince William - attended the party in Highgrove. Camilla's ex-husband Andrew Parker Bowles also made an appearance, and despite his many affairs during their failed marriage from 1973-1995, they remain good friends.
Royal Central will be providing special coverage of the Duchess of Cornwall's birthday throughout the day.
The timing is a little awkward for the Prince and Duchess, coming as it does just a few weeks before the 20th anniversary of the death of Charles' first wife, Diana.